poniedziałek, 2 marca 2015

Ścigacz torpedowy typu Chart 1924-1925 (8 szt.) i ścigacz artyleryjski typu Wilk 1924 (2 szt.)



Ścigacz torpedowy typu Chart 1924-1925 (8 szt.) i ścigacz artyleryjski typu Wilk 1924 (2 szt.)

Następny etap rozwojowy ścigaczy. Ponieważ obydwa typy ścigaczy zbudowane są na takim samym kadłubie i wyposażone w taką samą jednostkę napędową, prezentuje je razem w jednym poście.
Aby uzyskać raporty musiałem trochę „poszachraić”, ale nie było innego sposobu. Springsharp bierze pod uwagę wyłącznie pływanie wypornościowe i takie wynalazki, jak planujące ścigacze wg niego nie istnieją. Słusznie za to program wytyka nędzną dzielność morską, ale dla jednostek tych klas to normalne.
Nie będę rozpisywał się na temat uzbrojenia, osiągów itp., wszystko można wyczytać w raportach i zobaczyć na rysunkach.
Okręty będą działać w dywizjonach w składzie 4 ścigacze torpedowe + 1 artyleryjski. Na ścigaczu artyleryjskim będzie zaokrętowany d-ca dywizjonu. Oprócz roli prowadzącego dywizjon, do zadań ścigacza artyleryjskiego należeć będzie wsparcie ogniowe ścigaczy torpedowych zarówno w ataku, jak i obronie.
Na początek ścigacz torpedowy.


Chart, Poland Motor torpedo boat laid down 1924

Displacement:
            56 t light; 58 t standard; 61 t normal; 64 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
            (100,38 ft / 98,43 ft) x 16,73 ft x (3,94 / 4,04 ft)
            (30,60 m / 30,00 m) x 5,10 m  x (1,20 / 1,23 m)

Armament:
      2 - 0,98" / 25,0 mm 60,0 cal guns - 0,55lbs / 0,25kg shells, 900 per gun
              Anti-air guns in deck mounts, 1919 Model
              2 x Single mounts on centreline ends, evenly spread
      Weight of broadside 1 lbs / 0 kg
      Main Torpedoes
      2 - 21,0" / 533 mm, 24,61 ft / 7,50 m torpedoes - 1,589 t each, 3,178 t total
            In 2 sets of deck mounted carriage/fixed tubes

Machinery:
            Petrol Internal combustion motors,
            Geared drive, 3 shafts, 4 156 shp / 3 100 Kw = 35,00 kts
            Range 600nm at 23,00 kts
            Bunker at max displacement = 15 tons

Complement:
            10 - 14

Cost:
            £0,021 million / $0,083 million

Distribution of weights at normal displacement:
            Armament: 4 tons, 7,0%
               - Guns: 0 tons, 0,5%
               - Weapons: 4 tons, 6,5%
            Machinery: 33 tons, 53,7%
            Hull, fittings & equipment: 19 tons, 30,5%
            Fuel, ammunition & stores: 5 tons, 8,8%
            Miscellaneous weights: 0 tons, 0,0%

Overall survivability and seakeeping ability:
            Survivability (Non-critical penetrating hits needed to sink ship):
              22 lbs / 10 Kg = 45,9 x 1,0 " / 25 mm shells or 0,1 torpedoes
            Stability (Unstable if below 1.00): 1,25
            Metacentric height 0,5 ft / 0,2 m
            Roll period: 9,8 seconds
            Steadiness      - As gun platform (Average = 50 %): 41 %
                                   - Recoil effect (Restricted arc if above 1.00): 0,01
            Seaboat quality  (Average = 1.00): 0,34

Hull form characteristics:
            Hull has a flush deck,
              a normal bow and large transom stern
            Block coefficient (normal/deep): 0,330 / 0,337
            Length to Beam Ratio: 5,88 : 1
            'Natural speed' for length: 12,27 kts
            Power going to wave formation at top speed: 79 %
            Trim (Max stability = 0, Max steadiness = 100): 100
            Bow angle (Positive = bow angles forward): 11,00 degrees
            Stern overhang: 0,49 ft / 0,15 m
            Freeboard (% = length of deck as a percentage of waterline length):
                                               Fore end,        Aft end
               - Forecastle:            20,00%,  7,55 ft / 2,30 m,  6,56 ft / 2,00 m
               - Forward deck:       30,00%,  6,56 ft / 2,00 m,  5,91 ft / 1,80 m
               - Aft deck:    30,00%,  5,91 ft / 1,80 m,  5,91 ft / 1,80 m
               - Quarter deck:        20,00%,  5,91 ft / 1,80 m,  5,91 ft / 1,80 m
               - Average freeboard:                      6,21 ft / 1,89 m
            Ship tends to be wet forward

Ship space, strength and comments:
            Space - Hull below water (magazines/engines, low = better): 176,1%
                        - Above water (accommodation/working, high = better): 107,2%
            Waterplane Area: 1 013 Square feet or 94 Square metres
            Displacement factor (Displacement / loading): 51%
            Structure weight / hull surface area: 12 lbs/sq ft or 57 Kg/sq metre
            Hull strength (Relative):
                        - Cross-sectional: 0,42
                        - Longitudinal: 3,18
                        - Overall: 0,51
            Cramped machinery, storage, compartmentation space
            Adequate accommodation and workspace room
            Caution: Lacks seaworthiness - very limited seakeeping ability

Chart (1924)
Bulterier (1924)
Dog (1924)
Doberman (1924)
Foksterier (1925)
Gryfon (1925)
Husky (1925)
Jamnik (1925)

A teraz artyleryjski.


Wilk, Poland Motor gun boat laid down 1924

Displacement:
            52 t light; 54 t standard; 59 t normal; 62 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
            (100,38 ft / 98,43 ft) x 16,73 ft x (3,77 / 3,89 ft)
            (30,60 m / 30,00 m) x 5,10 m  x (1,15 / 1,19 m)

Armament:
      1 - 1,57" / 40,0 mm 60,0 cal gun - 2,05lbs / 0,93kg shells, 480 per gun
              Anti-air gun in deck mount, 1919 Model
              1 x Single mount on centreline, forward deck forward
      2 - 0,98" / 25,0 mm 60,0 cal guns - 0,55lbs / 0,25kg shells, 900 per gun
              Anti-air guns in deck mount, 1919 Model
              1 x Twin mount on centreline, aft deck aft
      Weight of broadside 3 lbs / 1 kg
      Main DC/AS Mortars
      1 - 429,90 lbs / 195,00 kg Depth Charge + 3 reloads - 0,768 t total
            in Stern depth charge racks

Machinery:
            Petrol Internal combustion motors,
            Geared drive, 3 shafts, 4 156 shp / 3 100 Kw = 35,00 kts
            Range 600nm at 23,00 kts
            Bunker at max displacement = 15 tons

Complement:
            9 - 13

Cost:
            £0,020 million / $0,080 million

Distribution of weights at normal displacement:
            Armament: 2 tons, 3,4%
               - Guns: 1 tons, 1,7%
               - Weapons: 1 tons, 1,6%
            Machinery: 31 tons, 53,1%
            Hull, fittings & equipment: 19 tons, 32,6%
            Fuel, ammunition & stores: 6 tons, 11,0%
            Miscellaneous weights: 0 tons, 0,0%

Overall survivability and seakeeping ability:
            Survivability (Non-critical penetrating hits needed to sink ship):
              22 lbs / 10 Kg = 11,1 x 1,6 " / 40 mm shells or 0,1 torpedoes
            Stability (Unstable if below 1.00): 1,18
            Metacentric height 0,5 ft / 0,1 m
            Roll period: 10,3 seconds
            Steadiness      - As gun platform (Average = 50 %): 40 %
                                   - Recoil effect (Restricted arc if above 1.00): 0,03
            Seaboat quality  (Average = 1.00): 0,32

Hull form characteristics:
            Hull has a flush deck,
              a normal bow and large transom stern
            Block coefficient (normal/deep): 0,330 / 0,338
            Length to Beam Ratio: 5,88 : 1
            'Natural speed' for length: 12,27 kts
            Power going to wave formation at top speed: 79 %
            Trim (Max stability = 0, Max steadiness = 100): 100
            Bow angle (Positive = bow angles forward): 11,00 degrees
            Stern overhang: 0,49 ft / 0,15 m
            Freeboard (% = length of deck as a percentage of waterline length):
                                               Fore end,        Aft end
               - Forecastle:            20,00%,  7,55 ft / 2,30 m,  6,56 ft / 2,00 m
               - Forward deck:       30,00%,  6,56 ft / 2,00 m,  5,91 ft / 1,80 m
               - Aft deck:    30,00%,  5,91 ft / 1,80 m,  5,91 ft / 1,80 m
               - Quarter deck:        20,00%,  5,91 ft / 1,80 m,  5,91 ft / 1,80 m
               - Average freeboard:                      6,21 ft / 1,89 m
            Ship tends to be wet forward

Ship space, strength and comments:
            Space - Hull below water (magazines/engines, low = better): 177,8%
                        - Above water (accommodation/working, high = better): 130,1%
            Waterplane Area: 1 013 Square feet or 94 Square metres
            Displacement factor (Displacement / loading): 49%
            Structure weight / hull surface area: 12 lbs/sq ft or 61 Kg/sq metre
            Hull strength (Relative):
                        - Cross-sectional: 0,44
                        - Longitudinal: 3,35
                        - Overall: 0,54
            Cramped machinery, storage, compartmentation space
            Excellent accommodation and workspace room
            Caution: Lacks seaworthiness - very limited seakeeping ability

Wilk (1924)
Kojot (1924)